Download Chemical Elements by David E., PH.D. Newton PDF

By David E., PH.D. Newton

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Anhydrous ammonia: Dry ammonia gas. Antiseptic: A chemical that stops the growth of germs. Aqua regia: A mixture of hydrochloric and nitric acids that often reacts with materials that do not react with either acid separately. xli Words to Know Battery: A device for changing chemical energy into electrical energy. Biochemistry: The field of chemistry concerned with the study of compounds found in living organisms. Biocompatible: Not causing a reaction when placed into the body. Bipolar disorder: A condition in which a person experiences wild mood swings.

Distillation: A process by which two or more liquids can be separated from each other by heating them to their boiling points. “Doped”: Containing a small amount of a material as an impurity. Ductile: Capable of being drawn into thin wires. Earth: In mineralogy, a naturally occurring form of an element, often an oxide of the element. Electrolysis: A process by which a compound is broken down by passing an electric current through it. Electroplating: The process by which a thin layer of one metal is laid down on top of a second metal.

Cyclotron: A particle accelerator, or “atom smasher,” in which small par- ticles, such as protons, are made to travel very fast and then collide with atoms, causing the atoms to break apart. Density: The mass of a substance per unit volume. Diagnosis: Finding out what medical problems a person may have. Distillation: A process by which two or more liquids can be separated from each other by heating them to their boiling points. “Doped”: Containing a small amount of a material as an impurity. Ductile: Capable of being drawn into thin wires.

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